.top {
    z-index: 10907;
    background: rgb(55, 68, 134);
    color: rgb(255, 255, 255);
    font-size: 18px;
    font-weight: normal;
    line-height: 44px;
    text-align: center;
    height: 44px;
}
.footer {
    display: flex;
    align-items: center;
    position: relative;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 998;
    box-sizing: initial;
    height: 52px;
    background-color: rgb(255, 255, 255);
}

.footer .item {
    flex: 1;
    justify-content: center;
    height: 100%;
    padding: 6px 0;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.footer .item .title {
    color: rgb(153, 153, 153);
    font-size: 13px;
    line-height: 14px;
    margin-top: 10px;
}

.footer .active .title {
    color: rgb(0, 0, 0);
}

.footer .item .item_img {
    width: 20px;
    height: 20px;
}



